“If you think about the impact Twitter has on the world versus Instagram, it’s pretty significant,” he told Fortune. “Twitter is what we wanted it to be. It’s this realtime information network where everything in the world that happens on Twitter—important stuff breaks on Twitter and world leaders have conversations on Twitter.

“If that’s happening, I frankly don’t give a shit if Instagram has more people looking at pretty pictures.”

Of course, this latest move to steer people towards sharing images on Twitter suggests that the company as whole DOES care where people are getting their pretty picture fix.